| /* | |
| * Copyright 2011 Google Inc. | |
| * | |
| * Use of this source code is governed by a BSD-style license that can be | |
| * found in the LICENSE file. | |
| */ | |
| #include "gl/GrGLInterface.h" | |
| #include "gl/GrGLExtensions.h" | |
| #include "gl/GrGLUtil.h" | |
| #include <stdio.h> | |
| GrGLInterface::GrGLInterface() { | |
| fStandard = kNone_GrGLStandard; | |
| } | |
| #ifdef SK_DEBUG | |
| static int kIsDebug = 1; | |
| #else | |
| static int kIsDebug = 0; | |
| #endif | |
| #define RETURN_FALSE_INTERFACE \ | |
| if (kIsDebug) { SkDebugf("%s:%d GrGLInterface::validate() failed.\n", __FILE__, __LINE__); } \ | |
| return false; | |
| bool GrGLInterface::validate() const { | |
| if (kNone_GrGLStandard == fStandard) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| if (!fExtensions.isInitialized()) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| // functions that are always required | |
| if (!fFunctions.fActiveTexture || | |
| !fFunctions.fAttachShader || | |
| !fFunctions.fBindAttribLocation || | |
| !fFunctions.fBindBuffer || | |
| !fFunctions.fBindTexture || | |
| !fFunctions.fBlendColor || // -> GL >= 1.4 or extension, ES >= 2.0 | |
| !fFunctions.fBlendEquation || // -> GL >= 1.4 or extension, ES >= 2.0 | |
| !fFunctions.fBlendFunc || | |
| !fFunctions.fBufferData || | |
| !fFunctions.fBufferSubData || | |
| !fFunctions.fClear || | |
| !fFunctions.fClearColor || | |
| !fFunctions.fClearStencil || | |
| !fFunctions.fColorMask || | |
| !fFunctions.fCompileShader || | |
| !fFunctions.fCompressedTexImage2D || | |
| !fFunctions.fCompressedTexSubImage2D || | |
| !fFunctions.fCopyTexSubImage2D || | |
| !fFunctions.fCreateProgram || | |
| !fFunctions.fCreateShader || | |
| !fFunctions.fCullFace || | |
| !fFunctions.fDeleteBuffers || | |
| !fFunctions.fDeleteProgram || | |
| !fFunctions.fDeleteShader || | |
| !fFunctions.fDeleteTextures || | |
| !fFunctions.fDepthMask || | |
| !fFunctions.fDisable || | |
| !fFunctions.fDisableVertexAttribArray || | |
| !fFunctions.fDrawArrays || | |
| !fFunctions.fDrawElements || | |
| !fFunctions.fEnable || | |
| !fFunctions.fEnableVertexAttribArray || | |
| !fFunctions.fFrontFace || | |
| !fFunctions.fGenBuffers || | |
| !fFunctions.fGenTextures || | |
| !fFunctions.fGetBufferParameteriv || | |
| !fFunctions.fGenerateMipmap || | |
| !fFunctions.fGetError || | |
| !fFunctions.fGetIntegerv || | |
| !fFunctions.fGetProgramInfoLog || | |
| !fFunctions.fGetProgramiv || | |
| !fFunctions.fGetShaderInfoLog || | |
| !fFunctions.fGetShaderiv || | |
| !fFunctions.fGetString || | |
| !fFunctions.fGetUniformLocation || | |
| !fFunctions.fIsTexture || | |
| !fFunctions.fLinkProgram || | |
| !fFunctions.fLineWidth || | |
| !fFunctions.fPixelStorei || | |
| !fFunctions.fReadPixels || | |
| !fFunctions.fScissor || | |
| !fFunctions.fShaderSource || | |
| !fFunctions.fStencilFunc || | |
| !fFunctions.fStencilFuncSeparate || | |
| !fFunctions.fStencilMask || | |
| !fFunctions.fStencilMaskSeparate || | |
| !fFunctions.fStencilOp || | |
| !fFunctions.fStencilOpSeparate || | |
| !fFunctions.fTexImage2D || | |
| !fFunctions.fTexParameteri || | |
| !fFunctions.fTexParameteriv || | |
| !fFunctions.fTexSubImage2D || | |
| !fFunctions.fUniform1f || | |
| !fFunctions.fUniform1i || | |
| !fFunctions.fUniform1fv || | |
| !fFunctions.fUniform1iv || | |
| !fFunctions.fUniform2f || | |
| !fFunctions.fUniform2i || | |
| !fFunctions.fUniform2fv || | |
| !fFunctions.fUniform2iv || | |
| !fFunctions.fUniform3f || | |
| !fFunctions.fUniform3i || | |
| !fFunctions.fUniform3fv || | |
| !fFunctions.fUniform3iv || | |
| !fFunctions.fUniform4f || | |
| !fFunctions.fUniform4i || | |
| !fFunctions.fUniform4fv || | |
| !fFunctions.fUniform4iv || | |
| !fFunctions.fUniformMatrix2fv || | |
| !fFunctions.fUniformMatrix3fv || | |
| !fFunctions.fUniformMatrix4fv || | |
| !fFunctions.fUseProgram || | |
| !fFunctions.fVertexAttrib1f || | |
| !fFunctions.fVertexAttrib2fv || | |
| !fFunctions.fVertexAttrib3fv || | |
| !fFunctions.fVertexAttrib4fv || | |
| !fFunctions.fVertexAttribPointer || | |
| !fFunctions.fViewport || | |
| !fFunctions.fBindFramebuffer || | |
| !fFunctions.fBindRenderbuffer || | |
| !fFunctions.fCheckFramebufferStatus || | |
| !fFunctions.fDeleteFramebuffers || | |
| !fFunctions.fDeleteRenderbuffers || | |
| !fFunctions.fFinish || | |
| !fFunctions.fFlush || | |
| !fFunctions.fFramebufferRenderbuffer || | |
| !fFunctions.fFramebufferTexture2D || | |
| !fFunctions.fGetFramebufferAttachmentParameteriv || | |
| !fFunctions.fGetRenderbufferParameteriv || | |
| !fFunctions.fGenFramebuffers || | |
| !fFunctions.fGenRenderbuffers || | |
| !fFunctions.fRenderbufferStorage) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| GrGLVersion glVer = GrGLGetVersion(this); | |
| if (GR_GL_INVALID_VER == glVer) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| // Now check that baseline ES/Desktop fns not covered above are present | |
| // and that we have fn pointers for any advertised fExtensions that we will | |
| // try to use. | |
| // these functions are part of ES2, we assume they are available | |
| // On the desktop we assume they are available if the extension | |
| // is present or GL version is high enough. | |
| if (kGL_GrGLStandard == fStandard) { | |
| if (glVer >= GR_GL_VER(3,0) && !fFunctions.fBindFragDataLocation) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| if (glVer >= GR_GL_VER(3,3) || | |
| fExtensions.has("GL_ARB_timer_query") || | |
| fExtensions.has("GL_EXT_timer_query")) { | |
| if (!fFunctions.fGetQueryObjecti64v || | |
| !fFunctions.fGetQueryObjectui64v) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (glVer >= GR_GL_VER(3,3) || fExtensions.has("GL_ARB_timer_query")) { | |
| if (!fFunctions.fQueryCounter) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } | |
| // part of desktop GL, but not ES | |
| if (kGL_GrGLStandard == fStandard && | |
| (!fFunctions.fDrawBuffer || | |
| !fFunctions.fPolygonMode)) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| // ES 3.0 (or ES 2.0 extended) has glDrawBuffers but not glDrawBuffer | |
| if (kGL_GrGLStandard == fStandard || glVer >= GR_GL_VER(3,0)) { | |
| if (!fFunctions.fDrawBuffers) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (kGL_GrGLStandard == fStandard || glVer >= GR_GL_VER(3,0)) { | |
| if (!fFunctions.fReadBuffer) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| // glGetTexLevelParameteriv was added to ES in 3.1. | |
| if (kGL_GrGLStandard == fStandard || glVer >= GR_GL_VER(3,1)) { | |
| if (!fFunctions.fGetTexLevelParameteriv) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| // GL_EXT_texture_storage is part of desktop 4.2 | |
| // There is a desktop ARB extension and an ES+desktop EXT extension | |
| if (kGL_GrGLStandard == fStandard) { | |
| if (glVer >= GR_GL_VER(4,2) || | |
| fExtensions.has("GL_ARB_texture_storage") || | |
| fExtensions.has("GL_EXT_texture_storage")) { | |
| if (!fFunctions.fTexStorage2D) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } else if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_EXT_texture_storage")) { | |
| if (!fFunctions.fTexStorage2D) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| // glTextureBarrier is part of desktop 4.5. There are also ARB and NV extensions. | |
| if (kGL_GrGLStandard == fStandard) { | |
| if (glVer >= GR_GL_VER(4,5) || | |
| fExtensions.has("GL_ARB_texture_barrier") || | |
| fExtensions.has("GL_NV_texture_barrier")) { | |
| if (!fFunctions.fTextureBarrier) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } else if (fExtensions.has("GL_NV_texture_barrier")) { | |
| if (!fFunctions.fTextureBarrier) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (fExtensions.has("GL_KHR_blend_equation_advanced") || | |
| fExtensions.has("GL_NV_blend_equation_advanced")) { | |
| if (!fFunctions.fBlendBarrier) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (fExtensions.has("GL_EXT_discard_framebuffer")) { | |
| if (!fFunctions.fDiscardFramebuffer) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| // Required since OpenGL 1.5 and ES 3.0 or with GL_EXT_occlusion_query_boolean | |
| if (kGL_GrGLStandard == fStandard || glVer >= GR_GL_VER(3,0) || | |
| fExtensions.has("GL_EXT_occlusion_query_boolean")) { | |
| #if 0 // Not yet added to chrome's bindings. | |
| if (!fFunctions.fGenQueries || | |
| !fFunctions.fDeleteQueries || | |
| !fFunctions.fBeginQuery || | |
| !fFunctions.fEndQuery || | |
| !fFunctions.fGetQueryiv || | |
| !fFunctions.fGetQueryObjectuiv) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| #endif | |
| } | |
| // glGetQueryObjectiv doesn't exist in ES. | |
| if (kGL_GrGLStandard == fStandard && !fFunctions.fGetQueryObjectiv) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| // FBO MSAA | |
| if (kGL_GrGLStandard == fStandard) { | |
| // GL 3.0 and the ARB extension have multisample + blit | |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_ARB_framebuffer_object")) { | |
| if (!fFunctions.fRenderbufferStorageMultisample || | |
| !fFunctions.fBlitFramebuffer) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } else { | |
| if (fExtensions.has("GL_EXT_framebuffer_blit") && | |
| !fFunctions.fBlitFramebuffer) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| if (fExtensions.has("GL_EXT_framebuffer_multisample") && | |
| !fFunctions.fRenderbufferStorageMultisample) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } else { | |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_CHROMIUM_framebuffer_multisample")) { | |
| if (!fFunctions.fRenderbufferStorageMultisample || | |
| !fFunctions.fBlitFramebuffer) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } else { | |
| if (fExtensions.has("GL_ANGLE_framebuffer_multisample") && | |
| !fFunctions.fRenderbufferStorageMultisample) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| if (fExtensions.has("GL_ANGLE_framebuffer_blit") && | |
| !fFunctions.fBlitFramebuffer) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (fExtensions.has("GL_APPLE_framebuffer_multisample")) { | |
| if (!fFunctions.fRenderbufferStorageMultisampleES2APPLE || | |
| !fFunctions.fResolveMultisampleFramebuffer) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (fExtensions.has("GL_IMG_multisampled_render_to_texture") || | |
| fExtensions.has("GL_EXT_multisampled_render_to_texture")) { | |
| if (!fFunctions.fRenderbufferStorageMultisampleES2EXT || | |
| !fFunctions.fFramebufferTexture2DMultisample) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } | |
| // On ES buffer mapping is an extension. On Desktop | |
| // buffer mapping was part of original VBO extension | |
| // which we require. | |
| if (kGL_GrGLStandard == fStandard || fExtensions.has("GL_OES_mapbuffer")) { | |
| if (!fFunctions.fMapBuffer || | |
| !fFunctions.fUnmapBuffer) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| // Dual source blending | |
| if (kGL_GrGLStandard == fStandard) { | |
| if (glVer >= GR_GL_VER(3,3) || fExtensions.has("GL_ARB_blend_func_extended")) { | |
| if (!fFunctions.fBindFragDataLocationIndexed) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } else { | |
| if (glVer >= GR_GL_VER(3,0) && fExtensions.has("GL_EXT_blend_func_extended")) { | |
| if (!fFunctions.fBindFragDataLocation || | |
| !fFunctions.fBindFragDataLocationIndexed) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } | |
| // glGetStringi was added in version 3.0 of both desktop and ES. | |
| if (glVer >= GR_GL_VER(3, 0)) { | |
| if (!fFunctions.fGetStringi) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| // glVertexAttribIPointer was added in version 3.0 of both desktop and ES. | |
| if (glVer >= GR_GL_VER(3, 0)) { | |
| if (!fFunctions.fVertexAttribIPointer) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (kGL_GrGLStandard == fStandard) { | |
| if (glVer >= GR_GL_VER(3,1)) { | |
| if (!fFunctions.fTexBuffer) { | |
| RETURN_FALSE_INTERFACE; | |
| } | |
| } | |
| if (glVer >= GR_GL_VER(4,3)) { | |
| if (!fFunctions.fTexBufferRange) { | |
| RETURN_FALSE_INTERFACE; | |
| } | |
| } | |
| } else { | |
| if (glVer >= GR_GL_VER(3,2) || fExtensions.has("GL_OES_texture_buffer") || | |
| fExtensions.has("GL_EXT_texture_buffer")) { | |
| if (!fFunctions.fTexBuffer || | |
| !fFunctions.fTexBufferRange) { | |
| RETURN_FALSE_INTERFACE; | |
| } | |
| } | |
| } | |
| if (kGL_GrGLStandard == fStandard) { | |
| if (glVer >= GR_GL_VER(3, 0) || fExtensions.has("GL_ARB_vertex_array_object")) { | |
| if (!fFunctions.fBindVertexArray || | |
| !fFunctions.fDeleteVertexArrays || | |
| !fFunctions.fGenVertexArrays) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } else { | |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_OES_vertex_array_object")) { | |
| if (!fFunctions.fBindVertexArray || | |
| !fFunctions.fDeleteVertexArrays || | |
| !fFunctions.fGenVertexArrays) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } | |
| if (fExtensions.has("GL_EXT_debug_marker")) { | |
| if (!fFunctions.fInsertEventMarker || | |
| !fFunctions.fPushGroupMarker || | |
| !fFunctions.fPopGroupMarker) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if ((kGL_GrGLStandard == fStandard && glVer >= GR_GL_VER(4,3)) || | |
| fExtensions.has("GL_ARB_invalidate_subdata")) { | |
| if (!fFunctions.fInvalidateBufferData || | |
| !fFunctions.fInvalidateBufferSubData || | |
| !fFunctions.fInvalidateFramebuffer || | |
| !fFunctions.fInvalidateSubFramebuffer || | |
| !fFunctions.fInvalidateTexImage || | |
| !fFunctions.fInvalidateTexSubImage) { | |
| RETURN_FALSE_INTERFACE; | |
| } | |
| } else if (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,0)) { | |
| // ES 3.0 adds the framebuffer functions but not the others. | |
| if (!fFunctions.fInvalidateFramebuffer || | |
| !fFunctions.fInvalidateSubFramebuffer) { | |
| RETURN_FALSE_INTERFACE; | |
| } | |
| } | |
| if (kGLES_GrGLStandard == fStandard && fExtensions.has("GL_CHROMIUM_map_sub")) { | |
| if (!fFunctions.fMapBufferSubData || | |
| !fFunctions.fMapTexSubImage2D || | |
| !fFunctions.fUnmapBufferSubData || | |
| !fFunctions.fUnmapTexSubImage2D) { | |
| RETURN_FALSE_INTERFACE; | |
| } | |
| } | |
| // These functions are added to the 3.0 version of both GLES and GL. | |
| if (glVer >= GR_GL_VER(3,0) || | |
| (kGLES_GrGLStandard == fStandard && fExtensions.has("GL_EXT_map_buffer_range")) || | |
| (kGL_GrGLStandard == fStandard && fExtensions.has("GL_ARB_map_buffer_range"))) { | |
| if (!fFunctions.fMapBufferRange || | |
| !fFunctions.fFlushMappedBufferRange) { | |
| RETURN_FALSE_INTERFACE; | |
| } | |
| } | |
| if ((kGL_GrGLStandard == fStandard && | |
| (glVer >= GR_GL_VER(3,2) || fExtensions.has("GL_ARB_texture_multisample"))) || | |
| (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,1))) { | |
| if (!fFunctions.fGetMultisamplefv) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if ((kGL_GrGLStandard == fStandard && | |
| (glVer >= GR_GL_VER(4,3) || fExtensions.has("GL_ARB_program_interface_query"))) || | |
| (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,1))) { | |
| if (!fFunctions.fGetProgramResourceLocation) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (kGLES_GrGLStandard == fStandard || glVer >= GR_GL_VER(4,1) || | |
| fExtensions.has("GL_ARB_ES2_compatibility")) { | |
| if (!fFunctions.fGetShaderPrecisionFormat) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (fExtensions.has("GL_NV_path_rendering") || fExtensions.has("GL_CHROMIUM_path_rendering")) { | |
| if (!fFunctions.fMatrixLoadf || | |
| !fFunctions.fMatrixLoadIdentity || | |
| !fFunctions.fPathCommands || | |
| !fFunctions.fPathParameteri || | |
| !fFunctions.fPathParameterf || | |
| !fFunctions.fGenPaths || | |
| !fFunctions.fDeletePaths || | |
| !fFunctions.fIsPath || | |
| !fFunctions.fPathStencilFunc || | |
| !fFunctions.fStencilFillPath || | |
| !fFunctions.fStencilStrokePath || | |
| !fFunctions.fStencilFillPathInstanced || | |
| !fFunctions.fStencilStrokePathInstanced || | |
| !fFunctions.fCoverFillPath || | |
| !fFunctions.fCoverStrokePath || | |
| !fFunctions.fCoverFillPathInstanced || | |
| !fFunctions.fCoverStrokePathInstanced | |
| #if 0 | |
| // List of functions that Skia uses, but which have been added since the initial release | |
| // of NV_path_rendering driver. We do not want to fail interface validation due to | |
| // missing features, we will just not use the extension. | |
| // Update this list -> update GrGLCaps::hasPathRenderingSupport too. | |
| || !fFunctions.fStencilThenCoverFillPath || | |
| !fFunctions.fStencilThenCoverStrokePath || | |
| !fFunctions.fStencilThenCoverFillPathInstanced || | |
| !fFunctions.fStencilThenCoverStrokePathInstanced || | |
| !fFunctions.fProgramPathFragmentInputGen | |
| #endif | |
| ) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| if (fExtensions.has("GL_CHROMIUM_path_rendering")) { | |
| if (!fFunctions.fBindFragmentInputLocation) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } | |
| if (fExtensions.has("GL_EXT_raster_multisample")) { | |
| if (!fFunctions.fRasterSamples) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (fExtensions.has("GL_NV_framebuffer_mixed_samples") || | |
| fExtensions.has("GL_CHROMIUM_framebuffer_mixed_samples")) { | |
| if (!fFunctions.fCoverageModulation) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (kGL_GrGLStandard == fStandard) { | |
| if (glVer >= GR_GL_VER(3,1) || | |
| fExtensions.has("GL_EXT_draw_instanced") || fExtensions.has("GL_ARB_draw_instanced")) { | |
| if (!fFunctions.fDrawArraysInstanced || | |
| !fFunctions.fDrawElementsInstanced) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } else if (kGLES_GrGLStandard == fStandard) { | |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_EXT_draw_instanced")) { | |
| if (!fFunctions.fDrawArraysInstanced || | |
| !fFunctions.fDrawElementsInstanced) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } | |
| if (kGL_GrGLStandard == fStandard) { | |
| if (glVer >= GR_GL_VER(3,2) || fExtensions.has("GL_ARB_instanced_arrays")) { | |
| if (!fFunctions.fVertexAttribDivisor) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } else if (kGLES_GrGLStandard == fStandard) { | |
| if (glVer >= GR_GL_VER(3,0) || fExtensions.has("GL_EXT_instanced_arrays")) { | |
| if (!fFunctions.fVertexAttribDivisor) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } | |
| if ((kGL_GrGLStandard == fStandard && | |
| (glVer >= GR_GL_VER(4,0) || fExtensions.has("GL_ARB_draw_indirect"))) || | |
| (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,1))) { | |
| if (!fFunctions.fDrawArraysIndirect || | |
| !fFunctions.fDrawElementsIndirect) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if ((kGL_GrGLStandard == fStandard && | |
| (glVer >= GR_GL_VER(4,3) || fExtensions.has("GL_ARB_multi_draw_indirect"))) || | |
| (kGLES_GrGLStandard == fStandard && fExtensions.has("GL_EXT_multi_draw_indirect"))) { | |
| if (!fFunctions.fMultiDrawArraysIndirect || | |
| !fFunctions.fMultiDrawElementsIndirect) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if ((kGL_GrGLStandard == fStandard && glVer >= GR_GL_VER(4,3)) || | |
| fExtensions.has("GL_KHR_debug")) { | |
| if (!fFunctions.fDebugMessageControl || | |
| !fFunctions.fDebugMessageInsert || | |
| !fFunctions.fDebugMessageCallback || | |
| !fFunctions.fGetDebugMessageLog || | |
| !fFunctions.fPushDebugGroup || | |
| !fFunctions.fPopDebugGroup || | |
| !fFunctions.fObjectLabel) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (fExtensions.has("GL_EXT_window_rectangles")) { | |
| if (!fFunctions.fWindowRectangles) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if ((kGL_GrGLStandard == fStandard && glVer >= GR_GL_VER(4,0)) || | |
| fExtensions.has("GL_ARB_sample_shading")) { | |
| if (!fFunctions.fMinSampleShading) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } else if (kGLES_GrGLStandard == fStandard && fExtensions.has("GL_OES_sample_shading")) { | |
| if (!fFunctions.fMinSampleShading) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| if (kGL_GrGLStandard == fStandard) { | |
| if (glVer >= GR_GL_VER(3, 2) || fExtensions.has("GL_ARB_sync")) { | |
| if (!fFunctions.fFenceSync || | |
| !fFunctions.fIsSync || | |
| !fFunctions.fClientWaitSync || | |
| !fFunctions.fWaitSync || | |
| !fFunctions.fDeleteSync) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } else if (kGLES_GrGLStandard == fStandard) { | |
| if (glVer >= GR_GL_VER(3, 0) || fExtensions.has("GL_APPLE_sync")) { | |
| if (!fFunctions.fFenceSync || | |
| !fFunctions.fIsSync || | |
| !fFunctions.fClientWaitSync || | |
| !fFunctions.fWaitSync || | |
| !fFunctions.fDeleteSync) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| } | |
| if (fExtensions.has("EGL_KHR_image") || fExtensions.has("EGL_KHR_image_base")) { | |
| if (!fFunctions.fEGLCreateImage || | |
| !fFunctions.fEGLDestroyImage) { | |
| RETURN_FALSE_INTERFACE | |
| } | |
| } | |
| // glDrawRangeElements was added to ES in 3.0. | |
| if (kGL_GrGLStandard == fStandard || glVer >= GR_GL_VER(3,0)) { | |
| if (!fFunctions.fDrawRangeElements) { | |
| RETURN_FALSE_INTERFACE; | |
| } | |
| } | |
| // getInternalformativ was added in GL 4.2, ES 3.0, and with extension ARB_internalformat_query | |
| if ((kGL_GrGLStandard == fStandard && | |
| (glVer >= GR_GL_VER(4,2) || fExtensions.has("GL_ARB_internalformat_query"))) || | |
| (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,0))) { | |
| if (!fFunctions.fGetInternalformativ) { | |
| RETURN_FALSE_INTERFACE; | |
| } | |
| } | |
| if ((kGL_GrGLStandard == fStandard && glVer >= GR_GL_VER(4,1)) || | |
| (kGLES_GrGLStandard == fStandard && glVer >= GR_GL_VER(3,0))) { | |
| if (!fFunctions.fGetProgramBinary || | |
| !fFunctions.fProgramBinary || | |
| !fFunctions.fProgramParameteri) { | |
| RETURN_FALSE_INTERFACE; | |
| } | |
| } | |
| return true; | |
| } | |
| #if GR_TEST_UTILS | |
| void GrGLInterface::abandon() const { | |
| const_cast<GrGLInterface*>(this)->fFunctions = GrGLInterface::Functions(); | |
| } | |
| #endif // GR_TEST_UTILS | |